KUV 09369+3724

All names: SDSS J093956.90+371026.3, USNO-B1.0 1271-00211991, SDSS J093956.88+371026.5, PSO J093956.898+371026.371, Gaia DR2 799763528023185280, SDSS J093956.90+371026.37

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 09 39 56.91 (0.1) 09 39 56.88 09 39 56.88
Declination 37 10 26.18 (0.1) 37 10 26.57 37 10 26.57
Spectral type DAB DAB DQ
Effective temperature [K] 12486.0 12112.0 (188)
log(g) [cgs] 8.70 8.72 (0.1)
Mass [M☉] 1.046
log(Luminosity) [L☉]
Cooling age [Gyr] 1.1460
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 8.93 (0.2)
Distance [pc] 112.01 (2)
Composition H
Proper motion (right ascension) [mas/yr] 20.0217664023 (0.2) 20.0
Proper motion (declination) [mas/yr] -31.1930534465 (0.3) -26.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude
R magnitude 18.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.81 (0.01) 17.81 (0.01) 17.81
g magnitude 17.84 (0.01) 17.84 (0.005) 17.84
r magnitude 18.10 (0.01) 18.10 (0.007) 18.10
i magnitude 18.33 (0.01) 18.33 (0.01) 18.33
z magnitude 18.58 (0.03) 18.58 (0.03) 18.58
G magnitude 18.01
BP magnitude 17.90
RP magnitude 18.01
Pan g magnitude 17.91 (0.005)
Pan r magnitude 18.13 (0.004)
Pan i magnitude 18.34 (0.004)
Pan z magnitude 18.53 (0.009)
Pan y magnitude 18.67 (0.02)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.